# 可变参数
def print_two(*args):
    arg1,arg2 = args
    print(f"arg1: {arg1}, arg2: {arg2}")
# 两个参数的方法
def print_two_again(arg1, arg2):
    print(f"arg1: {arg1}, arg2: {arg2}")

def print_one(arg1):
    print(f"arg1: {arg1}")

def print_none():
    print("I got Nothing.")

print_two("这是第一个参数","这是第二个参数")
print_two_again("一个参数","二个参数")
print_one("First!")
print_none()